61509980 is an even 8-digits composite number following 61509979
and preceding 61509981 . In scientific notation, it is written as 6.1509980 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 21089088 positive integers (up to 61509980) that are relatively prime to 61509980.
61509980 has 24 divisors, whose sum is 147624288
The reverse of 61509980 is 08990516
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-one million five hundred nine thousand nine hundred eighty
Scientific notation
6.1509980 × 10^7
Engineering notation
6.1509980 × 10^6
Prime Factorization
2 × 2 × 7 × 5 × 439357
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30754990
Product of the distinct prime numbers
The prime factorization of 61509980 is 2 × 2 × 7 × 5 × 439357.
Since it has a total of 5 prime factors.
2 , 4 , 50 , 7 , 421 , 717 , 5428 , 1126 , 6463 , 780 , 420928 , 321682 , 2485758 , 147146 , 8315214 , 12199864 , 883123795 , 531993787 , 5281831171 , 7302957571
n×2
123019960
n×3
184529940
n×4
246039920
n×5
307549900
n÷2
30754990
n÷3
20503326.666667
n÷3
15377495
n÷5
12301996
n2
3783477639600400
n3
2.3272163394227E+23
n4
1.4314703049356E+31
n5
8.8049709827184E+38
2 √n
7842.8298464266
3 √n
394.74368886994
4 √n
88.559752971802
5 √n
36.123441340095
1 , 2 , 4 , 5 , 7 , 10 , 14 , 20 , 28 , 35 , 70 , 140 , 439357 , 878714 , 1757428 , 2196785 , 3075499 , 4393570 , 6150998 , 8787140 , 12301996 , 15377495 , 30754990 , 61509980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61509979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61509980 can be divided by 24 positive divisors.
The sum of these divisors (counting 61509980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11101010101001000101011100
3
Ternary
11021202000211102
4
Quaternary
3222221011130
5
Quinary
111221304410
6
Senary
10034212232
8
Octal
352510534
10
Decimal
61509980
12
Duodecimal
18724078
16
Hexadecimal
3aa915c
20
Vigesimal
j48ej0
36
Base36
10mdek
md5
bce2da85918fea540149901f8e1e92ee
sha1
61c001587c8d2c7c9adab2f2b77dbba3da8f0da1
sha256
c34ae97e3f29e70e8dbac37f17dcc30ba9aeab82dbfc6accb04af7dd936a3c91
sha512
dc191ea7318a8d3579be3f0531d3e078c68d63c25776c6fc767feb857054165db7bc8db344113aa12e6066186da54b858ddd1ee4aaebbd99cc9f737677da3ae1
ripemd-160
18bd31cd84ac4e5d690bd1b6b0eb7cb01d67184c
Diameter
123019960
Circumference
386478602.58091
Area
1.188614555759E+16
Volume
9.7482210069926E+23
Surface area
4.7544582230359E+16
Circumference
386478602.58091
Perimeter
246039920
Area
3783477639600400
Diagonal
86988247.937298
Surface area
22700865837602400
Volume
2.3272163394227E+23
Space diagonal
106538410.53255
Perimeter
184529940
Area
1.6382938752722E+15
Altitude
53269205.266273
Surface area
1.6382938752722E+15
Volume
2.7426507581565E+22
Height
28996082.645766